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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1545912093

Certificate GIA 1545912093

Diamond specifications and retailer prices

From $2,604 SGD
As of October 31, 2026
Save $2,049 SGD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,653 SGD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545912093. Listed at 8 retailers as of October 27, 2026, with prices from $2,604 to $4,653, a $2,049 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,653. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.73°
Pavilion angle40.69°
OriginNatural
Grading LabGIA
CertificateGIA 1545912093
Dimensions9.79 × 5.17 × 3.30 mm
L/W Ratio1.89
Culet sizeNone
Top View
9.79 mm5.17 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545912093
Side View
Table 59.0%Crown 39.73°Girdle: MED-THKPavilion 40.69°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,040 SGD|Low: $2,054 SGD|High: $4,653 SGD|Avg: $3,283 SGD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 28, 2026
Retailer 9$2,054 SGD
Retailer 3$2,604 SGD
Retailer 7$2,805 SGD
Retailer 5$2,846 SGD
Retailer 1$3,040 SGD
Retailer 8$3,079 SGD
Retailer 2$3,429 SGD
Retailer 6$3,525 SGD
Retailer 4$3,634 SGD
Retailer 10$4,184 SGD
Wholesale Diamonds Direct$4,653 SGD

32 data points across 11 retailers

8 retailers$2,604 SGD to $4,653 SGD

A
Cheapest Retailer
-
$2,604 SGD
A
Retailer 2
-
$2,805 SGD
$2,194 USD
View
Retailer 3
-
$2,846 SGD
$2,226 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$3,040 SGD
£1,872 GBP
View
A
Retailer 5
-
$3,079 SGD
View
A
Retailer 6
-
$3,429 SGD
$2,682 USD
View
A
Retailer 7
-
$3,525 SGD
$2,757 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
503047461 · Oct 27
$4,653 SGD
$3,640 USD
View
7 more retailers have this diamond
Prices start from $2,604 SGDSave up to $2,049 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Marquise
$2,604 SGD